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Old 17th April 2017, 01:30 PM
scorpion5000 Offline
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Join Date: Apr 2017
Location: cairo,egypt
Posts: 1
Post wifi keeps disconecting after kernel update , rtl driver

after doing dnf update my wifi keeps disconnecting frequently & i found out that it works well on kernel (4.9.13-200.fc25.x86_64) but any kernel above that it keeps disconnecting , here is some info.

[CODE][# inxi -Fs
System: Host: SCORPION Kernel: 4.9.13-200.fc25.x86_64 x86_64 (64 bit) Desktop: Gnome 3.22.3
Distro: Fedora release 25 (Twenty Five)
Machine: Device: laptop System: LENOVO product: 80T7 v: Lenovo ideapad 110-15IBR
Mobo: LENOVO model: 00RD15IPG076 v: NO DPK UEFI: LENOVO v: 1GCN15WW date: 04/07/2016
Battery BAT0: charge: 23.9 Wh 100.2% condition: 23.9/23.8 Wh (100%)
CPU: Dual core Intel Celeron N3060 (-MCP-) cache: 1024 KB
clock speeds: max: 2480 MHz 1: 959 MHz 2: 1285 MHz
Graphics: Card: Intel Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Integrated Graphics Controller
Display Server: Fedora X.org 119.3 driver: N/A Resolution: 1366x768@59.97hz
GLX Renderer: Mesa DRI Intel HD Graphics 400 (Braswell) GLX Version: 3.0 Mesa 13.0.4
Audio: Card Intel Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series High Definition Audio Controller
driver: snd_hda_intel
Sound: Advanced Linux Sound Architecture v: k4.9.13-200.fc25.x86_64
Network: Card-1: Realtek RTL8821AE 802.11ac PCIe Wireless Network Adapter driver: rtl8821ae
IF: wlp2s0 state: up mac: 30:f7:72:6e:2c:7d
Card-2: Realtek RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller driver: r8169
IF: enp3s0 state: down mac: c8:5b:76:02:8c:81
Drives: HDD Total Size: 500.1GB (26.6% used)
ID-1: /dev/sda model: TOSHIBA_MQ01ABF0 size: 500.1GB
Partition: ID-1: / size: 50G used: 14G (29%) fs: ext4 dev: /dev/dm-1
ID-2: /boot size: 477M used: 257M (58%) fs: ext4 dev: /dev/sda2
ID-3: /home size: 217G used: 107G (52%) fs: ext4 dev: /dev/dm-3
ID-4: swap-1 size: 4.16GB used: 0.00GB (0%) fs: swap dev: /dev/dm-2
RAID: No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors: System Temperatures: cpu: 56.0C mobo: N/A
Fan Speeds (in rpm): cpu: N/A
Info: Processes: 219 Uptime: 19:45 Memory: 1956.6/3865.2MB Client: Shell (bash) inxi: 2.3.8 /CODE]

# rpm -q kernel
 # modinfo rtlwifi
filename:       /lib/modules/4.9.13-200.fc25.x86_64/kernel/drivers/net/wireless/realtek/rtlwifi/rtlwifi.ko.xz
description:    Realtek 802.11n PCI wireless core
license:        GPL
author:         Larry Finger	<Larry.FInger@lwfinger.net>
author:         Realtek WlanFAE	<wlanfae@realtek.com>
author:         lizhaoming	<chaoming_li@realsil.com.cn>
depends:        mac80211,cfg80211
intree:         Y
vermagic:       4.9.13-200.fc25.x86_64 SMP mod_unload 
signat:         PKCS#7
sig_hashalgo:   md4
so that was my temp solution to fix the problem , hope expert developers can find what went wrong in the updated driver .
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Old 17th April 2017, 05:33 PM
antikythera Offline
Join Date: Dec 2013
Location: United Kingdom
Posts: 4,765
Re: wifi keeps disconecting after kernel update , rtl driver

if you want the developers to look into this, please report it at https://bugzilla.redhat.com

this is an independent forum maintained and frequented by users of fedora for the exchange of knowledge, tips and assisting of other users who need it.
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disconecting, kernel, rtl8821ae, update, wifi

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